Sound system comprising speakers and mixer-amplifier



FIG. 1 is a front view of a sound system comprising speakers and mixer-amplifier showing our new design, the rear view being a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a perspective view thereof.

The broken line showing on FIGS. 1, 3, and 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a sound system comprising speakers and mixer-amplifier, as shown and described. 